Vulnerability-Lookup

GHSA-RRGF-J5XJ-H9HC

Vulnerability from github – Published: 2026-06-17 18:35 – Updated: 2026-06-17 18:35

Details

sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths.

Severity

5.8 (Medium)


                  
                    CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

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{
  "affected": [],
  "aliases": [
    "CVE-2026-55706"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1284"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-06-17T13:20:52Z",
    "severity": "MODERATE"
  },
  "details": "sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths.",
  "id": "GHSA-rrgf-j5xj-h9hc",
  "modified": "2026-06-17T18:35:52Z",
  "published": "2026-06-17T18:35:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-55706"
    },
    {
      "type": "WEB",
      "url": "https://github.com/openbsd/src/commit/076e2b1c1fc4ac0883a72d3544131ad5cee7adf8"
    },
    {
      "type": "WEB",
      "url": "https://blog.argus-systems.ai/blog/openbsd-pap-27-year-auth-bypass.html"
    },
    {
      "type": "WEB",
      "url": "https://blog.argus-systems.ai/blog/poc-001-pap-bypass.py"
    },
    {
      "type": "WEB",
      "url": "https://www.openwall.com/lists/oss-security/2026/06/16/9"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-55706 (GCVE-0-2026-55706)

Vulnerability from cvelistv5 – Published: 2026-06-17 00:53 – Updated: 2026-06-17 14:33

Summary

sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths.

Severity

5.8 (Medium)


                        
                          CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-1284 - Improper Validation of Specified Quantity in Input

Assigner

mitre

References

4 references

URL	Tags
https://blog.argus-systems.ai/blog/openbsd-pap-27…
https://www.openwall.com/lists/oss-security/2026/…
https://github.com/openbsd/src/commit/076e2b1c1fc…
https://blog.argus-systems.ai/blog/poc-001-pap-by…	exploit

Impacted products

1 product

Vendor	Product	Version
OpenBSD	OpenBSD	Affected: 0 , < 076e2b1c1fc4ac0883a72d3544131ad5cee7adf8 (git)

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JSON

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  "containers": {
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        "metrics": [
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            "other": {
              "content": {
                "id": "CVE-2026-55706",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-17T14:32:57.493186Z",
                "version": "2.0.3"
              },
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          "dateUpdated": "2026-06-17T14:33:01.050Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        "references": [
          {
            "tags": [
              "exploit"
            ],
            "url": "https://blog.argus-systems.ai/blog/poc-001-pap-bypass.py"
          }
        ],
        "title": "CISA ADP Vulnrichment"
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    "dateReserved": "2026-06-17T00:53:22.791Z",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-RRGF-J5XJ-H9HC

CVE-2026-55706 (GCVE-0-2026-55706)

Tags

Sightings

Nomenclature